You can't. Because of the meaning of the 'A' in GDAL, a VRT is seen as a single raster for any user of GDAL API. A dedicated function should be created in QGIS to parse the VRT XML and make sense of it for what you wish.
Le Monday 31 May 2010 19:47:17 Greg Coats, vous avez écrit : > With GDAL 1.7.2, released 2010/04/23, I used gdalbuildvrt to build a .vrt > file that points to 726 GeoJPEG2000 images. Then, I use QGIS 1.5.0, release > 13519M to pan and zoom through these images. When zoomed in, how do I get > Qgis to identify which ONE of the raster images in the .vrt file is > currently being displayed? Greg > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
